183680domain: NAppears in sequencesMcKay-Thompson series of class 6A for Monster.at n=9A007254McKay-Thompson series of class 6A for Monster.at n=9A045484McKay-Thompson series of class 6A for the Monster group with a(0) = 10.at n=9A288630a(n) = Product_{k=0..n} (3^k + 1).at n=4A323716